7844196398 has 16 divisors (see below), whose sum is σ = 12387419520. Its totient is φ = 3715118136.

The previous prime is 7844196317. The next prime is 7844196401. The reversal of 7844196398 is 8936914487.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365111 + ... + 385997.

It is an arithmetic number, because the mean of its divisors is an integer number (774213720).

Almost surely, 2^7844196398 is an apocalyptic number.

7844196398 is a deficient number, since it is larger than the sum of its proper divisors (4543223122).

7844196398 is a wasteful number, since it uses less digits than its factorization.

7844196398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30791.

The product of its digits is 10450944, while the sum is 59.

The square root of 7844196398 is about 88567.4680568435. The cubic root of 7844196398 is about 1986.9311551547.

The spelling of 7844196398 in words is "seven billion, eight hundred forty-four million, one hundred ninety-six thousand, three hundred ninety-eight".